EP2683030A1 - Breitband-Monopol-Antenne und elektronische Vorrichtung - Google Patents

Breitband-Monopol-Antenne und elektronische Vorrichtung Download PDF

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Publication number
EP2683030A1
EP2683030A1 EP20120195242 EP12195242A EP2683030A1 EP 2683030 A1 EP2683030 A1 EP 2683030A1 EP 20120195242 EP20120195242 EP 20120195242 EP 12195242 A EP12195242 A EP 12195242A EP 2683030 A1 EP2683030 A1 EP 2683030A1
Authority
EP
European Patent Office
Prior art keywords
monopole antenna
wideband monopole
slot
radiating portion
feeding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20120195242
Other languages
English (en)
French (fr)
Other versions
EP2683030B1 (de
Inventor
Chih-Yung Huang
Kuo-Chang Lo
Jian-Jhih Du
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arcadyan Technology Corp
Original Assignee
Arcadyan Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arcadyan Technology Corp filed Critical Arcadyan Technology Corp
Publication of EP2683030A1 publication Critical patent/EP2683030A1/de
Application granted granted Critical
Publication of EP2683030B1 publication Critical patent/EP2683030B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/40—Element having extended radiating surface

Definitions

  • the present disclosure relates to a wideband monopole antenna and electronic device in particular, to a wideband monopole antenna planarly disposed on a circuit board substrate and an electronic device thereof.
  • the primary operating frequency range for the Universal Mobile Telecommunication System is from 1920MHz to 2170MHz.
  • the primary operating frequency range of IEEE 802.11bg standard is from 2.40GHz to 2.50GHz
  • the primary operating frequency range of Long Term Evaluation (LTE) standard is from 1.71GHz to 2.70GHz
  • the primary operating frequency range of IEEE 802.11a standard is from 5.51GHz to 5.85GHz.
  • the primary operating frequency range is from 3.1GHz to 4.8GHz.
  • an exemplary embodiment of the present disclosure provides a wideband monopole antenna which can be planarly placed on the surface of a substrate.
  • the wideband monopole antenna can further have wider operating frequency band through configuring the width of the slots between the radiating portions and the signal ground portion.
  • An exemplary embodiment of the present disclosure provides a wideband monopole antenna which forms on a first surface of a circuit board substrate with the first surface at least having a signal ground portion.
  • the wideband monopole antenna includes a feeding portion, a first radiating portion, and a second radiating portion.
  • the feeding portion is coupled to a feeding cable.
  • the feeding portion has a first side and a corresponding second side.
  • the first radiating portion is coupled to the feeding portion and the first radiating portion at least has a third side.
  • the third side is connected to the first side of the feeding portion such that the first side, the third side, and a fifth side of the signal ground portion collectively define a first slot.
  • the second radiating portion is coupled to the feeding portion.
  • the second radiating portion at least has a fourth side with the fourth side connects to the second side of the feeding portion.
  • a portion of the fourth side and a sixth side of the signal ground portion collectively define a second slot therebetween.
  • the fifth side extends along a first direction while the sixth side extends along a second direction, wherein the first direction and the second direction extend toward nonparallel directions.
  • the spacing between the third side of the first radiating portion and the fifth side of the signal ground portion in the first slot can be configured to have the VSWR of the first radiating portion within a first frequency band less than a first threshold while the spacing between the fourth side of the second radiating portion and the sixth side of the signal ground portion in the second slot can be configured to have the VSWR of the second radiating portion within a second frequency band less than a first threshold.
  • partial operating frequency of the first frequency band overlaps the second frequency band to have the VSWR of the wideband monopole antenna being less than a first threshold.
  • the center frequency of the first frequency band is higher than the center frequency of the second frequency band.
  • At least a portion of the third side is parallel to the fifth side and at least a portion of the fourth side is parallel to the sixth side.
  • the first radiating portion includes a first end and a second end in which the first end coupled to the feeding portion extends toward the second end and is gradually enlarged.
  • the second radiating portion includes a third end and a fourth end, with the second radiating portion extends from the third end coupled to the feeding portion toward the fourth end through at least a bending portion. Accordingly, a first gap is form between the first radiating portion and the second radiating portion. The first end of the first radiating portion is adjacent to the third end while the third end of the second radiating portion is adjacent to the forth end.
  • an exemplary embodiment of the present disclosure further provides an electronic device having a wideband monopole antenna which can be planarly disposed on the surface of a substrate.
  • the wideband monopole antenna may through configure the slot width between the radiating portion and the signal ground portion broadening the frequency band thereof.
  • An exemplary embodiment of the present disclosure provides a signal transmission module and a wideband monopole antenna.
  • the signal transmission module is for transmitting an electric signal to the wideband monopole antenna.
  • the wideband monopole antenna is formed on a first surface of a circuit board substrate with the first surface at least having a signal ground portion.
  • the wideband monopole antenna including a feeding portion, a first radiating portion and a second radiating portion.
  • the feeding portion is coupled to the signal transmission module through a feeding cable to receive the electric signal.
  • the two corresponding side of the feeding portion has a first side and a second side.
  • the first radiating portion is coupled to the feeding portion and the first radiating portion at least has a third side.
  • the third side of the first radiating portion and the fifth side of the signal ground portion are correspondingly formed in the first slot with the spacing therebetween being no less than a first distance while a portion of the fourth side of the second radiating portion and the sixth side of the signal ground portion are correspondingly formed in the second slot with the spacing therebetween being no less than a second distance so that voltage standing wave ratio (VSWR) of the wideband monopole antenna within a frequency band is less than a first threshold.
  • VSWR voltage standing wave ratio
  • FIG. 1 is an overhead view of a wideband monopole antenna provided in accordance to an exemplary embodiment of the present disclosure.
  • FIG. 2A is an isometric diagram illustrating a wideband monopole antenna provided in accordance to an exemplary embodiment of the present disclosure.
  • FIG. 3 shows the voltage standing wave ratio (VSWR) response of a wideband monopole antenna provided in accordance to the exemplary embodiment of the present disclosure.
  • FIG. 1 shows an overhead view illustrating a wideband monopole antenna provided in accordance to an exemplary embodiment of the present disclosure.
  • FIG. 2A shows an isometric diagram illustrating the wideband monopole antenna provided in accordance to the exemplary embodiment of the present disclosure.
  • the circuit board substrate 2 may be a printed circuit board while the wideband monopole antenna 1 and the signal ground portion 20 may be metallic conductors comprising of identical material. Additionally for the wideband monopole antenna 1 to have better transmission quality, the wideband monopole antenna 1 may be positioned at the edge of the circuit board substrate 2 or other appreciated positions on the circuit board substrate 2.
  • the described electronic device many be a handheld communication device, a laptop, a monitor, a smoke detector, a gas detector, or other appropriate electronic equipment and the present disclosure is not limited herein. Those skilled in the art should be able to design an appropriate electronic device for integrating the disclosed wideband monopole antenna 1 therein according to the needs, thus further descriptions are hereby omitted.
  • the first radiating portion 12 is coupled to the feeding portion 10 so that the data signal received by the feeding portion 10 can be emitted from the first radiating portion.
  • the first radiating portion 12 at least has a side S3.
  • the side S3 connects to a side S1 of the feeding portion 10.
  • the head-end of the first radiating portion 12 is connected to the feeding portion 10 and the tail-end of the first radiating portion 12 extends outwardly from the feeding portion 10.
  • the present disclosure does not limit the shape of the first radiating portion 12.
  • the first radiating proton 12 may take shape of a trapezoid, i.e., the tail-end of the first radiating portion 12 may gradually enlarge.
  • the first radiating portion 12 in the instant embodiment is entirely formed on the surface of the circuit board substrate, thus does not have three-dimensional structure.
  • the side S1 of the feeding portion 10, the side S3 of the first radiating portion 12, and a side S5 of the signal ground portion 20 further collectively define a region i.e., a slot A1. At least a portion of the side S3 of the first radiating portion 12 is parallel to the side S5 of the signal ground portion 20 creating a substantially fixed distance d1 therebetween. The distance d1 may be viewed as the width of the slot A1. Please note that even though the present disclosure does not place any limitations on the length of the side S5 of the signal ground portion 20, however in practice the length of the first radiating portion 12 shall be less than the length of side S5 of the signal ground portion 20 such that the signal ground portion 20 may substantially cover the first radiating portion 12.
  • the second radiating portion 14 is coupled to the feeding portion 10 so that the data signal received by the feeding portion 10 may also emitted from the second radiating portion 14.
  • the second radiating portion 14 at least has a side S4 which is connected to the side S2 of the feeing portion 10. It can be seen from FIG. 1 , it is not necessary for the side S4 to be a straight side, instead, the side S4 may have proper bending.
  • the head-end of the second radiating portion 14 is also coupled to the feeding portion 10 while the tail-end of the second radiating portion 14 extends to the edge of the circuit board substrate 2 through a bending. Even though as shown in FIG. 1 , a side of the second radiating portion 14 is justly aligned at the edge of the circuit board substrate 2, however there present disclosure is not limited thereto.
  • the present disclosure does not limit the shape of the second radiating portion 14.
  • the second radiating portion 14 may comprise of a polygon, a trapezoid, a strip, or a snake-like shape having bending(s).
  • the second radiating portion 14 may be entirely formed on the surface 2a of the circuit board substrate 2 thereby does not have three-dimensional structure.
  • the side S4 of the second radiating portion 14 and the signal ground portion 20 may collectively define another region, i.e. a slot A2.
  • the slot A2 may substantially be a rectangular region.
  • the boundary of the slot A2 not only includes the second radiating portion 14 and the signal ground portion 20 but also includes the edge of the circuit board substrate 2. That is the second radiating portion 14 is aligned nearing the edge of the circuit board substrate 2 while the first radiating portion 12 is away from the edge as it has being arranged close to the center of the circuit board substrate 2.
  • the wideband monopole antenna 1 at least has a first current path and the second current path enabling the wideband monopole antenna 1 emitting the data signal.
  • the first current path defines a path for which current is distributed to the tail-end of the first radiating portion 12 through the feeding portion 10.
  • the second current path defines a path for which current is distributed to o the tail-end of the second radiating portion 14 through the feeding portion 10.
  • the data signal may be emitted at least through the first current path or the second path from the wideband monopole antenna 1.
  • the length of the first current path shall be less than the length of the second current path.
  • the first current path may be used for emitting high frequency data signal while the second current path may be used for emitting low frequency data signal.
  • the first current path is related to the shape of the first radiating portion 12 and the second current path is related to the shape of the second radiating path.
  • the wideband monopole antenna 1 must maintain relatively good transmission quality over frequency ranges including 1920MHz ⁇ 2170MHz, 2.40GHz ⁇ 2.50GHz, 1.71GHz ⁇ 2.70GHz, 3.1GHz ⁇ 4.8GHz, and 5.15GHz ⁇ 5.85GHz.
  • the wideband monopole antenna 1 disclosed in the instant embodiment may be also applied in the licensed band including but not limited to the US Wireless Communication Services (WCS) frequency range (2.345GHz ⁇ 2.360GHz), the Multi-point Microwave Distribution System(MMDS) or Multi-channel Multi-point Distribution System frequency range (2.50 ⁇ 2.69GHz), or the international Fixed Wireless Access (FWA) frequency range (3.4GHz ⁇ 3.7GHz).
  • WCS Wireless Communication Services
  • MMDS Multi-point Microwave Distribution System
  • FWA international Fixed Wireless Access
  • the wideband monopole antenna 1 disclosed in the instant embodiment may be also applied in the unlicensed band including but not limited to ISM frequency range (2.4000 ⁇ 2.4835GHz), Unlicensed National Information Infrastructure (U-NII) frequency range (5.15GHz ⁇ 5.35GHz, 5.725GHz ⁇ 5.825GHz).
  • U-NII Unlicensed National Information Infrastructure
  • the present disclosure does not limit the applicable frequency bands so long as the lower frequency limit associated with the first radiating portion 12 and the second radiating portion 14 falls within the frequency band ranging from 1.7GHz to 2GHz while the upper frequency limit associated with the first radiating portion 12 and the second radiating portion 14 falls within the frequency band ranging from 5.8GHz to 6GHz.
  • those skilled in the art may flexibly design the shapes for the first radiating portion 12 and the second radiating portion 14 according to the application needs.
  • the signal ground portion 20 further includes a impedance matching structure 22 which is adapted for improving the signal radiation field.
  • the impedance matching structure 22 and the side S5 are interconnected.
  • the impedance matching structure 22 at least has a side S7 in parallel to the side S6.
  • the wideband monopole antenna 1 is arranged between the side S6 and the side S7. Accordingly the physical placement of the wideband monopole antenna 1 may be defined.
  • FIG. 2B shows an isometric diagram illustrating another surface of the circuit board substrate 2 provided in accordance to the exemplary embodiment of the present disclosure.
  • the signal ground portion 20 and the edge of the circuit board substrate 2 collectively surround an antenna placement region on the surface 2a.
  • the wideband monopole antenna 1 thus is formed in the described antenna placement region.
  • a proper design may be implemented on another surface 2b of the circuit board substrate 2b.
  • the surface 2b of the circuit board substrate 2 has a clearance region arranged thereon. The clearance region is located right behind the antenna placement region.
  • FIG. 3 illustrates the voltage standing wave ratio (VSWR) response of the wideband monopole antenna provided in accordance to the exemplary embodiment of the present disclosure.
  • the wideband monopole antenna 1 of the instant embodiment has the slot A1 and the slot A2 designed as 3mm for an example.
  • the voltage standing wave ratio (VSWR) of the wideband monopole antenna 1 within frequency band ranging from 1.8GHz to 5.8GHz is less than an industry specified threshold, i.e., 2.
  • an industry specified threshold i.e., 2.
  • the present disclosure is not limited thereto as the threshold of the VSWR may vary according to the industry requirement.
  • the wideband monopole antenna and the electronic device provided in the present disclosure not only may be planarly disposed on the surface of the circuit board substrate placed inside the electronic device to avoid having the antenna protruded and exposed outside the electronic device.
  • the wideband monopole antenna may through respectively design the width of the slot between each of the two radiating portions and the signal ground portion to have the VSWR of the wideband monopole antenna within a frequency band satisfy the industrial standard and requirement.

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  • Details Of Aerials (AREA)
EP12195242.8A 2012-07-04 2012-12-03 Breitband-Monopol-Antenne und elektronische Vorrichtung Not-in-force EP2683030B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW101124127A TWI508378B (zh) 2012-07-04 2012-07-04 寬頻單極天線與電子裝置

Publications (2)

Publication Number Publication Date
EP2683030A1 true EP2683030A1 (de) 2014-01-08
EP2683030B1 EP2683030B1 (de) 2017-04-26

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ID=47522297

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Application Number Title Priority Date Filing Date
EP12195242.8A Not-in-force EP2683030B1 (de) 2012-07-04 2012-12-03 Breitband-Monopol-Antenne und elektronische Vorrichtung

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US (1) US20140009359A1 (de)
EP (1) EP2683030B1 (de)
TW (1) TWI508378B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105071032A (zh) * 2015-08-25 2015-11-18 中国航空无线电电子研究所 一种小型化宽频带微带天线
CN105226379A (zh) * 2015-08-25 2016-01-06 中国航空无线电电子研究所 一种小型化宽频带微带阵列天线
DE202015001972U1 (de) 2015-03-09 2016-03-10 Sputnik24 Communication Systems GmbH Multifunktions-Antennensystem mit RADAR-Reflektor
EP3054528A1 (de) * 2015-02-06 2016-08-10 Arcadyan Technology Corporation Zweibandige dipolantenne
CN106340718A (zh) * 2015-07-07 2017-01-18 智易科技股份有限公司 印刷式多频天线

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI509892B (zh) * 2013-03-21 2015-11-21 Arcadyan Technology Corp 天線結構及其製造方法
TWI532252B (zh) * 2014-12-24 2016-05-01 智易科技股份有限公司 具有電纜接地區域的天線結構
US20180301785A1 (en) * 2015-10-08 2018-10-18 Arcelik Anonim Sirketi A communication means and the household appliance wherein the same is used
TWI628857B (zh) * 2016-10-06 2018-07-01 和碩聯合科技股份有限公司 天線系統
CN110571518B (zh) * 2019-09-18 2023-05-02 湖南智领通信科技有限公司 一种基于热塑性聚酰亚胺板材的无人机机载天线
CN116231304A (zh) * 2020-06-05 2023-06-06 华为技术有限公司 一种电子设备

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WO2007021247A1 (en) * 2005-08-17 2007-02-22 Agency For Science, Technology And Research Compact antennas for ultra-wideband applications
DE102007038477A1 (de) * 2006-11-09 2008-05-15 Arcadyan Technology Corp. Zweibandfähige gedruckte Antenne und zweibandfähiges gedrucktes Antennenmodul

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US20040108955A1 (en) * 2002-12-10 2004-06-10 Peter Sjoblom Multiband antenna
EP1717902A1 (de) * 2005-04-20 2006-11-02 Wistron NeWeb Corp. Planare Monopolantennen
WO2007021247A1 (en) * 2005-08-17 2007-02-22 Agency For Science, Technology And Research Compact antennas for ultra-wideband applications
DE102007038477A1 (de) * 2006-11-09 2008-05-15 Arcadyan Technology Corp. Zweibandfähige gedruckte Antenne und zweibandfähiges gedrucktes Antennenmodul

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3054528A1 (de) * 2015-02-06 2016-08-10 Arcadyan Technology Corporation Zweibandige dipolantenne
DE202015001972U1 (de) 2015-03-09 2016-03-10 Sputnik24 Communication Systems GmbH Multifunktions-Antennensystem mit RADAR-Reflektor
WO2016141912A1 (de) 2015-03-09 2016-09-15 Sputnik24 Communication Systems GmbH Multifunktions-antennensystem mit radar-reflektor
US10677911B2 (en) 2015-03-09 2020-06-09 Sputnik24 Communication Systems GmbH Multi-function antenna system with radar reflector
CN106340718A (zh) * 2015-07-07 2017-01-18 智易科技股份有限公司 印刷式多频天线
CN105071032A (zh) * 2015-08-25 2015-11-18 中国航空无线电电子研究所 一种小型化宽频带微带天线
CN105226379A (zh) * 2015-08-25 2016-01-06 中国航空无线电电子研究所 一种小型化宽频带微带阵列天线

Also Published As

Publication number Publication date
EP2683030B1 (de) 2017-04-26
TW201403949A (zh) 2014-01-16
TWI508378B (zh) 2015-11-11
US20140009359A1 (en) 2014-01-09

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